Caracteriza？？o de danos e resistência residual de um laminado híbrido metal/fibra após impactos repetidos de baixa energia

the energy absorbed by the fiber/metal laminate glaretm during low-energy repeated impact events according to three different dynamic loading sequences has been determined using a laser-doppler apparatus. the results indicated that the absorbed energy (ea) was approximately 40% of the total available energy (et = 6 joules) regardless of the impact sequence applied. the residual mechanical properties of the laminate under three-point flexural conditions, as well as the visually detectable damage created by impact on the material, did not show any significant effect of the dynamic loading sequence withstood by the hybrid laminate.